Preliminary Study of Heavy Metal (Zn, Pb, Cr, As, Cu, Cd) Contaminations on Different Soil Level from Post-Mining Bauxite Production for AquacultureRisandi Dwirama Putra, Tri Apriadi, Ani Suryanti, Henky Irawan, Tengku Said Raja'I, Try Yulianto, Wiwin Kusuma Atmadja and Chandra Joei KoenawanE3S Web Conf., 47 (2018) 02008DOI: https://doi.org/10.1051/e3sconf/20184702008